diff --git a/packages/react-dom-bindings/src/events/ReactDOMEventReplaying.js b/packages/react-dom-bindings/src/events/ReactDOMEventReplaying.js
index a7846ab455214..3567fe708983c 100644
--- a/packages/react-dom-bindings/src/events/ReactDOMEventReplaying.js
+++ b/packages/react-dom-bindings/src/events/ReactDOMEventReplaying.js
@@ -537,7 +537,7 @@ export function retryIfBlockedOn(
 
   if (enableFormActions) {
     // Check the document if there are any queued form actions.
-    const root = unblocked.getRootNode();
+    const root = unblocked.ownerDocument;
     const formReplayingQueue: void | FormReplayingQueue = (root: any)
       .$$reactFormReplay;
     if (formReplayingQueue != null) {
diff --git a/packages/react-dom-bindings/src/server/fizz-instruction-set/ReactDOMFizzInstructionSetShared.js b/packages/react-dom-bindings/src/server/fizz-instruction-set/ReactDOMFizzInstructionSetShared.js
index 4d826753dc097..09bd265de0751 100644
--- a/packages/react-dom-bindings/src/server/fizz-instruction-set/ReactDOMFizzInstructionSetShared.js
+++ b/packages/react-dom-bindings/src/server/fizz-instruction-set/ReactDOMFizzInstructionSetShared.js
@@ -198,7 +198,7 @@ export function listenToFormSubmissionsForReplaying() {
     // where we preserve sequencing and where we'll pick it up from during hydration.
     // In practice, this is just the same as document but we might support shadow trees
     // in the future.
-    const root = form.getRootNode();
+    const root = form.ownerDocument;
     (root['$$reactFormReplay'] = root['$$reactFormReplay'] || []).push(
       form,
       submitter,